* syscalls.cc (chroot): Disallow chroot into special directories.

	Return EPERM instead.

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 8c2e24dedbe6f97279907806061dee872c642ede..1c2506d78c850d0e6afc517d12140d257935f11d 100644 (file)
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,8 @@
+2006-03-02  Corinna Vinschen  <corinna@vinschen.de>
+
+       * syscalls.cc (chroot): Disallow chroot into special directories.
+       Return EPERM instead.
+
 2006-03-02  Corinna Vinschen  <corinna@vinschen.de>
 
        * fhandler_disk_file.cc (__DIR_mounts::check_missing_mount): Check

diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
index 66c5e38c44da5d920e81df858b830e78b5504d58..33eef64d32e2b3875a81e14e8a5e9eda0f7471f4 100644 (file)
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -2359,6 +2359,8 @@ chroot (const char *newroot)
     set_errno (ENOENT);
   else if (!path.isdir ())
     set_errno (ENOTDIR);
+  else if (path.isspecial ())
+    set_errno (EPERM);
   else
     {
       getwinenv("PATH="); /* Save the native PATH */